// 2001-05-21 Benjamin Kosnik // Copyright (C) 2001, 2002, 2003, 2004, 2009 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // . // 27.8.1.4 Overridden virtual functions // { dg-require-fileio "" } #include #include #include const char name_07[] = "filebuf_virtuals-7.txt"; // empty file, need to create class errorcvt : public std::codecvt { protected: std::codecvt_base::result do_out(mbstate_t&, const char* from, const char*, const char*& from_next, char* to, char*, char*& to_next) const { from_next = from; to_next = to; return std::codecvt::error; } virtual bool do_always_noconv() const throw() { return false; } }; // libstdc++/9182 // basic_filebuf<>::sync and overflow do not write out any characters // if codecvt<>::out returns error void test14() { using namespace std; bool test __attribute__((unused)) = true; locale loc = locale::classic(); loc = locale(loc, new errorcvt); filebuf fbuf1; fbuf1.pubimbue(loc); fbuf1.pubsetbuf(0, 0); fbuf1.open(name_07, ios_base::out | ios_base::trunc); try { fbuf1.sputn("onne", 4); fbuf1.close(); VERIFY( false ); } catch (std::exception&) { } } int main() { test14(); return 0; }